Fields

hardware None
os_version None

Parameters

cpu Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
Address sizes: 48 bits physical, 48 bits virtual
CPU(s): 128
On-line CPU(s) list: 0-127
Thread(s) per core: 2
Core(s) per socket: 64
Socket(s): 1
NUMA node(s): 1
Vendor ID: AuthenticAMD
CPU family: 23
Model: 49
Model name: AMD EPYC 7702 64-Core Processor
Stepping: 0
Frequency boost: enabled
CPU MHz: 1500.000
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.68
Virtualization: AMD-V
L1d cache: 2 MiB
L1i cache: 2 MiB
L2 cache: 32 MiB
L3 cache: 256 MiB
NUMA node0 CPU(s): 0-127
Vulnerability Itlb multihit: Not affected
Vulnerability L1tf: Not affected
Vulnerability Mds: Not affected
Vulnerability Meltdown: Not affected
Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp
Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization
Vulnerability Spectre v2: Mitigation; Full AMD retpoline, IBPB conditional, IBRS_FW, STIBP conditional, RSB filling
Vulnerability Srbds: Not affected
Vulnerability Tsx async abort: Not affected
Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate ssbd mba ibrs ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr rdpru wbnoinvd amd_ppin arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif umip rdpid overflow_recov succor smca
memory MemTotal: 263695408 kB

Fields

NameValue

Parameters

NameValue
as GNU assembler (GNU Binutils; openSUSE Tumbleweed) 2.36.1.20210326-4
Copyright (C) 2021 Free Software Foundation, Inc.
This program is free software; you may redistribute it under the terms of
the GNU General Public License version 3 or later.
This program has absolutely no warranty.
This assembler was configured for a target of `x86_64-suse-linux'.
gcc gcc (GCC) 12.0.0 20210811 (experimental) e54acea9e5a821448af97c66e94a1e4c4f977d5d
Copyright (C) 2021 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
git_revision e54acea9e5a821448af97c66e94a1e4c4f977d5d
glibc GNU C Library (GNU libc) release release version 2.33 (git 9826b03b74).
Copyright (C) 2021 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
Configured for x86_64-suse-linux.
Compiled by GNU CC version 11.1.1 20210510 [revision 23855a176609fe8dda6abaf2b21846b4517966eb].
libc ABIs: UNIQUE IFUNC ABSOLUTE
For bug reporting instructions, please see:
<http://bugs.opensuse.org>.
glibc_location /lib64/libc.so.6
ld GNU ld (GNU Binutils; openSUSE Tumbleweed) 2.36.1.20210326-4
options None
reason None
uname Linux benzen 5.12.9-1-default #1 SMP Thu Jun 3 07:44:58 UTC 2021 (f17eb01) x86_64 x86_64 x86_64 GNU/Linux
Filter

benzen.gcc-trunk-honza.Ofast test results

Run Order Start Time Duration
Current 1628701884000.e54acea9e5a821448af97c66e94a1e4c4f977d5d 2021-08-11T20:45:00.889566 0:01:23.861486
Previous 1621328968000.0412cc2f390052aab9498849104f4428be747b9d 2021-05-19T04:08:20.548880 0:01:35.058239
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:31.225785


Tests Summary

Status Group # # (B)
Performance Regressions 12 17
Performance Improvements 10 14
Added Tests 3 3
Unchanged Tests 245 236
Total Tests 270

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c 8.70% 46.660 50.720 - -12.71% -
random/pr36439.cpp 5.93% 35.564 37.672 - 15.88% -
random/pr39326.c 5.55% 99.497 105.017 - -1.84% -
random/pr12850.cpp 3.60% 41.743 43.247 - 7.49% -
random/pr38518.c 3.59% 33.554 34.757 - 2.12% -
random/pr36262.c 3.36% 33.526 34.653 - 0.72% -
random/pr70614.c 2.90% 0.801 0.824 - -42.03% -

Performance Regressions - size Δ Previous Current σ Δ (B) σ (B)
random/pr12850.cpp/elf/sections/text 106.69% 63.71 KB 131.68 KB - 44.25% -
random/pr36439.cpp/elf/sections/text 10.86% 131.59 KB 145.88 KB - 18.45% -
random/pr26854-2.c/elf/sections/text 9.64% 310.72 KB 340.68 KB - 5.24% -
random/pr26854-2.c/elf 3.18% 949.00 KB 979.21 KB - 0.42% -
random/pr36439.cpp/elf 2.97% 1.72 MB 1.77 MB - 1.52% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp -3.59% 35.788 34.505 - -13.06% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp -33.96% 791.60 MB 522.81 MB - -42.73% -
random/pr36262.c -4.50% 733.27 MB 700.30 MB - -76.46% -
random/pr38518.c -4.37% 733.23 MB 701.18 MB - -76.43% -
random/pr29433.cpp -2.57% 375.75 MB 366.09 MB - 10.61% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c/elf/sections/text -4.93% 538.18 KB 511.64 KB - 3.50% -
random/pr38518.c/elf/sections/text -4.93% 538.18 KB 511.64 KB - 3.50% -
random/pr29433.cpp/elf -4.59% 91.80 KB 87.59 KB - -4.28% -
random/pr36262.c/elf -2.44% 563.44 KB 549.70 KB - 6.44% -
random/pr38518.c/elf -2.44% 563.44 KB 549.70 KB - 6.44% -

Added Tests - size
random/empty.C/elf/sections/text
random/empty.c/elf/sections/text
random/pr29433.cpp/elf/sections/text

Performance Regressions - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp 15.88% 32.509 37.672 - 5.93% -
random/pr12850.cpp 7.49% 40.232 43.247 - 3.60% -
random/pr36291.cpp 3.13% 28.849 29.753 - 1.54% -
random/pr38518.c 2.12% 34.036 34.757 - 3.59% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c 129.34% 572.54 MB 1.28 GB - 1.15% -
random/empty.C 11.57% 17.53 MB 19.55 MB - 1.89% -
random/pr29433.cpp 10.61% 330.98 MB 366.09 MB - -2.57% -
random/empty.c 6.40% 16.43 MB 17.48 MB - 0.40% -
random/pr12850.cpp 5.02% 571.05 MB 599.74 MB - 0.16% -
random/pr36291.cpp 3.86% 482.21 MB 500.80 MB - 0.28% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp/elf/sections/text 44.25% 91.29 KB 131.68 KB - 106.69% -
random/pr36439.cpp/elf/sections/text 18.45% 123.16 KB 145.88 KB - 10.86% -
random/pr36262.c/elf 6.44% 516.41 KB 549.70 KB - -2.44% -
random/pr38518.c/elf 6.44% 516.41 KB 549.70 KB - -2.44% -
random/pr26854-2.c/elf/sections/text 5.24% 323.72 KB 340.68 KB - 9.64% -
random/pr36262.c/elf/sections/text 3.50% 494.35 KB 511.64 KB - -4.93% -
random/pr38518.c/elf/sections/text 3.50% 494.35 KB 511.64 KB - -4.93% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr70614.c -42.03% 1.422 0.824 - 2.90% -
random/pr60243.c -17.02% 120.115 99.673 - 1.07% -
random/pr29433.cpp -15.71% 3.938 3.319 - -1.33% -
random/pr12392.cpp -13.06% 39.689 34.505 - -3.59% -
random/pr26854-2.c -12.71% 58.105 50.720 - 8.70% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c -76.46% 2.91 GB 700.30 MB - -4.50% -
random/pr38518.c -76.43% 2.91 GB 701.18 MB - -4.37% -
random/pr12392.cpp -42.73% 912.91 MB 522.81 MB - -33.96% -
random/pr26854-2.c -33.47% 1.45 GB 987.50 MB - 0.78% -
random/pr60243.c -8.57% 2.11 GB 1.93 GB - 0.03% -
random/pr36439.cpp -3.03% 459.73 MB 445.79 MB - 0.60% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c/elf -28.58% 964.88 KB 689.12 KB - -0.30% -
random/pr39326.c/elf/sections/text -9.53% 339.84 KB 307.45 KB - -0.64% -
random/pr29433.cpp/elf -4.28% 91.50 KB 87.59 KB - -4.59% -

Added Tests - size
random/empty.C/elf/sections/text
random/empty.c/elf/sections/text
random/pr29433.cpp/elf/sections/text


Report Time: 0.10s
Name Current %
random/empty.C 19.55 MB -
random/empty.c 17.48 MB -
random/pr12392.cpp 522.81 MB -33.96%
random/pr12850.cpp 599.74 MB -
random/pr26854-2.c 987.50 MB -
random/pr29433.cpp 366.09 MB -2.57%
random/pr36262.c 700.30 MB -4.50%
random/pr36291.cpp 500.80 MB -
random/pr36439.cpp 445.79 MB -
random/pr38518.c 701.18 MB -4.37%
random/pr39326.c 1.28 GB -
random/pr60243.c 1.93 GB -
random/pr70614.c 62.23 MB -
Geometric Mean 335.59 MB -3.57%